Question: Were Lady Macbeth and Siward, Earl of Northumbria characters in Macbeth?
Paraphrase: In Macbeth, were Lady Macbeth and Siward, Earl of Northumbria characters?
SPARQL (Wikidata): ASK WHERE { wd:Q130283 wdt:P674 wd:Q2454065 . wd:Q130283 wdt:P674 wd:Q68366 }